新概念英语第一册语法归纳(5)

be动词过去时waswerewerewerewaswere

2)名词的复数

规则变化的名词复数形式

规则1一般情况+se.g.shell→shellstoy→toys

规则2以s,x,ch,sh结尾+ese.g.fox→foxeschurch→churches 规则3以o结尾+s或+ese.g.radio→radiospotato→potatoes

规则4以f,fe结尾的，变f,fe为

vese.g.life→liveshalf→halves

规则5以辅音字母+y结尾，变y为

i+ese.g.sky→skiesstudy→studies

3)动词的第三人称单数形式

规则1一般情况+se.g.like-likes,look-looks

规则2以s,x,ch,sh和o结尾+ese.g.do-does,catch-catches

规则3以辅音字母+y结尾，变y为i+ese.g.carry-

carries,fly-flies

4)动词现在分词

规则1一般动词加-inge.g.look-looking,read-reading,play-playing

规则2以不发音的字母结尾的单词去e加-inge.g.make-making,take-taking,arrive-arriving

规则3重读闭音节词结尾，即单词中只有一个元音字母，其后紧跟一个辅音字母的词，双写辅音字母再加-inge.g.run-

running,sit-sitting,get-getting,swim-swimming,stop-stopping

5)动词过去式

规则动词变化